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From left, Manu Gubiligar, 6, Izabella Whitson, 5, and Gracie Hale, 4, react to an experiment during the Mad Science event at the Carson City Library, in Carson City, Nev., on Tuesday, July 15, 2014.
Photo by Cathleen Allison
all images © Nevada Momentum
Northern Nevada photojournalist Cathleen Allison